Evolution 5.0 / 5 based on 1 ratingTeacher recommended ? BiologyEvolution, extinction and natural selectionGCSEEdexcel Created by: Lauren HutcheonCreated on: 03-04-13 20:18 4935218610 Across 1. Differences in characteristics. (9) 5. A group of organisms that can interbreed to produce offspring that are fertile. (7) 6. Where some individuals are better adapted to an environment than others (7, 9) 9. Neither one species nor the other but show characteristics of both parents. (7) 10. How scientists name a species. (9, 6) Down 2. A gradual change over time. (9) 3. Measure of the total number of species in an area. (12) 4. Name of variation with any number in a certian range. (10, 9) 5. Individuals become new species. (10) 8. A way in which to identify different species. (3)
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